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Schizophrenia is often associated with a high level of the neurotransmitter dopamine.
Dopamine
It is too simplistic because not everyone who has too much dopamine or too little serotonin develops a disease, and because factors other than neurotransmitters influence those diseases.
An over-abundance of dopamine is thought to contribute to the development of schizophrenia.
That is one of the theories. The other theory is tied to the function of dopamine. Dopamine inhibits another chemical called GABA. Without any GABA dopamine doesn't really do anything. The other theory is that they have normal levels of Dopamine and low levels of GABA. These theories came about by the observation that anti-dopamine drugs help the symptoms. The simple answer is we're not quite sure yet.
There isn't an opposite of ADHD par say. Schizophrenia would be the chemical opposite of ADHD since it involves too much dopamine in the brain as opposed to little dopamine in individuals with ADHD.
Acetylcholine( Ach) is a neurotransmitter.In parkinsonism there is a marked drop of dopamine level and Ach is indirectly associated with dopamine. there is a constant balance between dopamine and Ach.When Ach level increases ,dopamine level falls leading to parkinsonism like symptom
too much fluoride
because dopamine in your body has released too much caused by the molocules in the marijuana
Dopamine is the neurotransmitter associated with laughter. It plays a role in generating pleasurable feelings and reinforcing behaviors that lead to laughter.
Parkinson's disease is characterized by a lack of dopamine in the brain due to the degeneration of dopamine-producing neurons. Therefore, treatment with dopamine medication helps to alleviate the motor symptoms associated with the disease by increasing dopamine levels in the brain.
Dopamine receptor agonists are a type of medication that activate dopamine receptors in the brain. They are often used to treat conditions such as Parkinson's disease, restless leg syndrome, and hyperprolactinemia. By mimicking the effects of dopamine, these drugs help improve symptoms associated with these conditions.